SLIDESHOW: 10 Things to Know for Friday

In this photo taken on Feb. 5, 2013, a Brown Tree Snake is held by U.S. Department of Agriculture wildlife specialist Tony Salas outside his office on Andersen Air Force Base on the island of Guam. The U.S. government is planning to drop toxic mice from helicopters to battle the snakes, an invasive species that has decimated Guam's native bird population and could cause billions of dollars of damage if allowed to spread to Hawaii. (AP Photo/Eric Talmadge)